FIG 2.

Plant growth in the experimental vineyards (EV1 and EV2) as determined by total height (A) or length of the 10th internode (B). Line 1, plants infected on pruning wounds; lines 2 to 5, plants protected in pruning wounds with chitosan oligosaccharide, garlic extract, vanillin, and CGV mix, respectively; lines 6 to 9, plants infected on pruning wounds that have been previously protected by the application of chitosan, garlic extract, vanillin, and CGV mix, respectively; line 10, control plants (not infected and not treated with NA). Each bar corresponds to the arithmetic mean of the values determined for the 25 plants of each line and their corresponding SD. The values shown correspond to the average obtained for four consecutive measurements (years 2010 and 2011 for EV1 and years 2012 and 2013 for EV2). Bars marked with the same letter do not differ at a P value of 0.05.